Add migration to split Customers.name into first and last names

db/migrate/20220105085729_split_customers_name.rb

@@ -0,0 +1,22 @@
+class SplitCustomersName < ActiveRecord::Migration[6.1]
+  class Customer < ActiveRecord::Base
+  end
+
+  def change
+    add_column :customers, :first_name, :string
+    add_column :customers, :last_name, :string
+    rename_column :customers, :name, :backup_name
+    reversible do |dir|
+      dir.up { migrate_customer_name_data }
+    end
+  end
+
+  def migrate_customer_name_data
+    Customer.where("backup_name LIKE '% %'").find_each do |customer|
+      first_name, last_name = customer.backup_name.split(' ', 2)
+      customer.first_name = first_name
+      customer.last_name = last_name
+      customer.save
+    end
+  end
+end

db/schema.rb

@@ -51,9 +51,11 @@ ActiveRecord::Schema.define(version: 2022_01_18_053107) do
     t.datetime "updated_at", null: false
     t.integer "bill_address_id"
     t.integer "ship_address_id"
-    t.string "name", limit: 255
+    t.string "backup_name", limit: 255
     t.boolean "allow_charges", default: false, null: false
     t.datetime "terms_and_conditions_accepted_at"
+    t.string "first_name"
+    t.string "last_name"
     t.index ["bill_address_id"], name: "index_customers_on_bill_address_id"
     t.index ["email"], name: "index_customers_on_email"
     t.index ["enterprise_id", "code"], name: "index_customers_on_enterprise_id_and_code", unique: true